In commit ba7438aed924 ("vhost: don't bother copying iovecs in
handle_rx(), kill memcpy_toiovecend()"), we advance iov iter fixup
sizeof(struct virtio_net_hdr) bytes and fill the number of buffers
after doing the socket recvmsg(). This work well but was broken after
commit 6e03f896b52c ("Merge
git:
On 2015-02-13 07:53, Alex Bennée wrote:
>
> Alex Bennée writes:
>
>> Christoffer Dall writes:
>
>>> On Sun, Feb 08, 2015 at 08:48:09AM +0100, Jan Kiszka wrote:
>
BTW, KVM tracing support on ARM seems like it requires some care. E.g.:
kvm_exit does not report an exit reason. The in-k
On Sun, Feb 15, 2015 at 2:27 PM, Yong Wang wrote:
> On Tue, Feb 03, 2015 at 11:58:17PM +0800, Wincy Van wrote:
>> If vcpu has a interrupt in vmx non-root mode, we will
>> kick that vcpu to inject interrupt timely. With posted
>> interrupt processing, the kick intr is not needed, and
>> interrupts
On Sun, Feb 15 2015 at 8:53:30 am GMT, Jan Kiszka wrote:
> On 2015-02-13 07:53, Alex Bennée wrote:
>>
>> Alex Bennée writes:
>>
>>> Christoffer Dall writes:
>>
On Sun, Feb 08, 2015 at 08:48:09AM +0100, Jan Kiszka wrote:
>>
> BTW, KVM tracing support on ARM seems like it requires so
On 2015-02-15 14:37, Marc Zyngier wrote:
> On Sun, Feb 15 2015 at 8:53:30 am GMT, Jan Kiszka wrote:
>> I'm now throwing trace_printk at my broken KVM. Already found out that I
>> get ARM_EXCEPTION_IRQ every few 10 µs. Not seeing any irq_* traces,
>> though. Weird.
>
> This very much looks like a
On Sun, Feb 15 2015 at 2:40:40 pm GMT, Jan Kiszka wrote:
> On 2015-02-15 14:37, Marc Zyngier wrote:
>> On Sun, Feb 15 2015 at 8:53:30 am GMT, Jan Kiszka wrote:
>>> I'm now throwing trace_printk at my broken KVM. Already found out that I
>>> get ARM_EXCEPTION_IRQ every few 10 µs. Not seeing any
On 2015-02-15 15:59, Marc Zyngier wrote:
> On Sun, Feb 15 2015 at 2:40:40 pm GMT, Jan Kiszka wrote:
>> On 2015-02-15 14:37, Marc Zyngier wrote:
>>> On Sun, Feb 15 2015 at 8:53:30 am GMT, Jan Kiszka
>>> wrote:
I'm now throwing trace_printk at my broken KVM. Already found out that I
ge
On Sun, Feb 15 2015 at 3:07:50 pm GMT, Jan Kiszka wrote:
> On 2015-02-15 15:59, Marc Zyngier wrote:
>> On Sun, Feb 15 2015 at 2:40:40 pm GMT, Jan Kiszka wrote:
>>> On 2015-02-15 14:37, Marc Zyngier wrote:
On Sun, Feb 15 2015 at 8:53:30 am GMT, Jan Kiszka
wrote:
> I'm now throwing
Hi Anup,
On Mon, Jan 12, 2015 at 09:49:13AM +0530, Anup Patel wrote:
> On Mon, Jan 12, 2015 at 12:41 AM, Christoffer Dall
> wrote:
> > On Tue, Dec 30, 2014 at 11:19:13AM +0530, Anup Patel wrote:
> >> (dropping previous conversation for easy reading)
> >>
> >> Hi Marc/Christoffer,
> >>
> >> I trie
On 2015-02-15 16:30, Marc Zyngier wrote:
> On Sun, Feb 15 2015 at 3:07:50 pm GMT, Jan Kiszka wrote:
>> On 2015-02-15 15:59, Marc Zyngier wrote:
>>> On Sun, Feb 15 2015 at 2:40:40 pm GMT, Jan Kiszka
>>> wrote:
On 2015-02-15 14:37, Marc Zyngier wrote:
> On Sun, Feb 15 2015 at 8:53:30 am
On Sun, Feb 15, 2015 at 04:35:14PM +0100, Jan Kiszka wrote:
> On 2015-02-15 16:30, Marc Zyngier wrote:
> > On Sun, Feb 15 2015 at 3:07:50 pm GMT, Jan Kiszka
> > wrote:
> >> On 2015-02-15 15:59, Marc Zyngier wrote:
> >>> On Sun, Feb 15 2015 at 2:40:40 pm GMT, Jan Kiszka
> >>> wrote:
> On
On 02/15, Raghavendra K T wrote:
>
> On 02/13/2015 09:02 PM, Oleg Nesterov wrote:
>
>>> @@ -772,7 +773,8 @@ __visible void kvm_lock_spinning(struct arch_spinlock
>>> *lock, __ticket_t want)
>>> * check again make sure it didn't become free while
>>> * we weren't looking.
>>> */
>>>
On 2015-02-15 16:59, Christoffer Dall wrote:
> On Sun, Feb 15, 2015 at 04:35:14PM +0100, Jan Kiszka wrote:
>> On 2015-02-15 16:30, Marc Zyngier wrote:
>>> On Sun, Feb 15 2015 at 3:07:50 pm GMT, Jan Kiszka
>>> wrote:
On 2015-02-15 15:59, Marc Zyngier wrote:
> On Sun, Feb 15 2015 at 2:40
From: Jason Wang
Date: Sun, 15 Feb 2015 16:35:17 +0800
> In commit ba7438aed924 ("vhost: don't bother copying iovecs in
> handle_rx(), kill memcpy_toiovecend()"), we advance iov iter fixup
> sizeof(struct virtio_net_hdr) bytes and fill the number of buffers
> after doing the socket recvmsg(). Thi
Well, I regret I mentioned the lack of barrier after enter_slowpath ;)
On 02/15, Raghavendra K T wrote:
>
> @@ -46,7 +46,8 @@ static __always_inline bool static_key_false(struct
> static_key *key);
>
> static inline void __ticket_enter_slowpath(arch_spinlock_t *lock)
> {
> - set_bit(0, (vol
* Raghavendra K T [2015-02-15 11:25:44]:
Resending the V5 with smp_mb__after_atomic() change without bumping up
revision
---8<---
>From 0b9ecde30e3bf5b5b24009fd2ac5fc7ac4b81158 Mon Sep 17 00:00:00 2001
From: Raghavendra K T
Date: Fri, 6 Feb 2015 16:44:11 +0530
Subject: [PATCH RESEND V5] x86 sp
On 02/15/2015 09:47 PM, Oleg Nesterov wrote:
Well, I regret I mentioned the lack of barrier after enter_slowpath ;)
On 02/15, Raghavendra K T wrote:
@@ -46,7 +46,8 @@ static __always_inline bool static_key_false(struct
static_key *key);
static inline void __ticket_enter_slowpath(arch_spinl
On 2015-02-15 16:30, Marc Zyngier wrote:
> On Sun, Feb 15 2015 at 3:07:50 pm GMT, Jan Kiszka wrote:
>> On 2015-02-15 15:59, Marc Zyngier wrote:
>>> On Sun, Feb 15 2015 at 2:40:40 pm GMT, Jan Kiszka
>>> wrote:
On 2015-02-15 14:37, Marc Zyngier wrote:
> On Sun, Feb 15 2015 at 8:53:30 am
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 2015-02-15 19:01, Jan Kiszka wrote:
> On 2015-02-15 16:30, Marc Zyngier wrote:
>> On Sun, Feb 15 2015 at 3:07:50 pm GMT, Jan Kiszka
>> wrote:
>>> On 2015-02-15 15:59, Marc Zyngier wrote:
On Sun, Feb 15 2015 at 2:40:40 pm GMT, Jan Kiszka
Hi Paolo,
The following changes since commit bfa76d49576599a4b9f9b7a71f23d73d6dcff735:
Linux 3.19 (2015-02-08 18:54:22 -0800)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git
tags/kvm-arm-fixes-3.20
for you to fetch changes up to 42e3
On Fri, Feb 13, 2015 at 11:07:17PM +0100, Paolo Bonzini wrote:
>
>
> On 13/02/2015 05:57, Christoffer Dall wrote:
> > On Sat, Feb 07, 2015 at 10:21:20PM +0100, Jan Kiszka wrote:
> >> From: Jan Kiszka
> >>
> >> The check is supposed to catch page-unaligned sizes, not the
> >> inverse.
> >>
> >>
From: Jan Kiszka
The check is supposed to catch page-unaligned sizes, not the inverse.
Signed-off-by: Jan Kiszka
Signed-off-by: Christoffer Dall
---
arch/arm/include/asm/kvm_mmu.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/inc
From: Wei Huang
This patch extends trace_kvm_exit() to include KVM exit reasons
(i.e. EC of HSR). The tracing function then dumps both exit reason
and PC of vCPU, shown as the following. Tracing tools can use this
new exit_reason field to better understand the behavior of guest VMs.
886.301252:
On 02/15, Raghavendra K T wrote:
>
> * Raghavendra K T [2015-02-15 11:25:44]:
>
> Resending the V5 with smp_mb__after_atomic() change without bumping up
> revision
Reviewed-by: Oleg Nesterov
Of course, this needs the acks from maintainers. And I agree that SLOWPATH
in .head makes xadd() in unl
Hi,
this basically concludes my problems of getting KVM running on the
Jetson TK1 board with QEMU: all fine now, provided I switch from
qemu-system-arm -machine vexpress-a15 -sd disk.img ...
to
qemu-system-arm -machine vexpress-a15 \
-drive file=disk.img,if=none,id=disk \
-device vi
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